Artículo
Modelling the atmospheric dispersion of radiotracers in small-scale, controlled detonations: validation of dispersion models using field test data
Autor/es | Thiessen, Kathleen M.
Kuca, Petr Helebrant, Jan Hulka, Jirí Charnock, Thomas W. Chouhan, Sohan L. Dúran, Juraj Fuka, Vladimir With, Govert de Mancini, Francesco Periáñez Rodríguez, Raúl Tay, Bee Kiat Trifunovic, Dejan Walter, Harmut |
Departamento | Universidad de Sevilla. Departamento de Física Aplicada I |
Fecha de publicación | 2022 |
Fecha de depósito | 2022-09-13 |
Publicado en |
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Resumen | A series of modelling exercises, based on field tests conducted in the Czech Republic, were carried
out by the ‘Urban’ Working Groups as part of the International Atomic Energy Agency’s
Environmental Modelling for Radiation ... A series of modelling exercises, based on field tests conducted in the Czech Republic, were carried out by the ‘Urban’ Working Groups as part of the International Atomic Energy Agency’s Environmental Modelling for Radiation Safety II, Modelling and Data for Radiological Impact Assessment (MODARIA) I and MODARIA II international data compilation and model validation programmes. In the first two of these programmes, data from a series of field tests involving dispersion of a radiotracer, 99mTc, from small-scale, controlled detonations were used in a comparison of model predictions with field measurements of deposition. In the third programme, data from a similar field test, involving dispersion of 140La instead of 99mTc, were used. Use of longer-lived 140La as a radiotracer allowed a greater number of measurements to be made over a greater distance from the dispersion point and in more directions than was possible for the earlier tests involving shorter-lived 99mTc. The modelling exercises included both intercomparison of model predictions from several participants and comparison of model predictions with the measured data. Several models (HotSpot, LASAIR, ADDAM/CSA-ERM, plus some research models) were used in the comparisons, which demonstrated the challenges of modelling dispersion of radionuclides from detonations and the need for appropriate meteorological measurements. |
Cita | Thiessen, K.M., Kuca, P., Helebrant, J., Hulka, J., Charnock, T.W., Chouhan, S.L.,...,Walter, H. (2022). Modelling the atmospheric dispersion of radiotracers in small-scale, controlled detonations: validation of dispersion models using field test data. Journal of Radiological Protection, 42 (2) |
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